From mboxrd@z Thu Jan 1 00:00:00 1970 From: Paolo Bonzini Subject: Re: [PATCH 0/8] kvm: nVMX: Checkpoint/restore support for VMX state Date: Fri, 9 Dec 2016 20:15:55 +0100 Message-ID: <0b04249f-f7fc-6164-49f1-c80de0e65d5d@redhat.com> References: <1480536229-11754-1-git-send-email-jmattson@google.com> <203030e9-5f2e-9383-933f-6088f794ea93@redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit Cc: David Hildenbrand , kvm@vger.kernel.org To: Jim Mattson Return-path: Received: from mail-wm0-f46.google.com ([74.125.82.46]:36636 "EHLO mail-wm0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752863AbcLITQB (ORCPT ); Fri, 9 Dec 2016 14:16:01 -0500 Received: by mail-wm0-f46.google.com with SMTP id g23so35476397wme.1 for ; Fri, 09 Dec 2016 11:16:00 -0800 (PST) In-Reply-To: Sender: kvm-owner@vger.kernel.org List-ID: On 09/12/2016 17:16, Jim Mattson wrote: > At the very least, it needs to know the following to do a page walk: > > a) Are the secondary processor based VM-execution controls activated > in the pimary processor based execution controls? > b) If so, is EPT enabled? > c) If so, what is the current EPTP? Oh, I see; this is when MMIO is passed through from L1 to L2. Though there is also the KVM_TRANSLATE ioctl. Paolo